Hardness definition

härdnĭs
The relative resistance of a metal or other material to denting, scratching, or bending.
noun
21
12
The relative resistance of a mineral to scratching, as measured by the Mohs scale.
noun
2
6
The quality of being hard.
noun
1
6
(mineralogy) The relative capacity of a substance for scratching another or for being scratched by another.
noun
0
6
An instance of this quality; hardship.
noun
0
6
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A measure of how easily a mineral can be scratched. Hardness is measured on the Mohs scale.
0
8
The state or quality of being hard (in various senses)
noun
7
16
The quality or condition of being hard.
noun
3
17

Other Word Forms

Noun

Singular:
hardness
Plural:
hardnesses

Origin of hardness

  • From hard +‎ -ness.

    From Wiktionary